Improvement in machines for corrugating sheet-iron



UNITED STATES PATENT OFFICE.

ABRAM REESE AND JACOB REESE, OF PITTSBURG, PENNSYLVANIA.

IMPROVEMENT IN MACHINES FOR CORRUG ATING SHEET-IRON.

Specification forming part of Letters Patent No. 136,267, dated February 25, 1873.

To all whom it may concern:

Be it known that we, ABRAM REESE and JACOB Beasts, of Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improve ment in Machine for Oorrugating Sheet-Iron, of which the following is a specification:

This invention consists in the novel construction and arrangement of a series of corrugating rollers, whereby a sheet of iron is corrugated by passing it once through the machine without cracking or fracturing the iron, and is thus prepared for roofing and siding buildings, and for all similar purposes, in the most perfect manner, as will be hereinafter more fully described.

In the accompanying drawing, Figure 1 represents a top or plan view of the machine. Fig. 2 is a vertical longitudinal section of Fig. 1, taken on the line :0 :20. Fig. 3 is a vertical cross-section of Fig. 1, taken on the line y 3 Fig. 4 is a vertical cross-section of Fig. 1, taken on the line 2 2.

Similar letters of reference indicate corre sponding parts. I

In this example of our invention we show four pairs of corrugatin g-rollers but we do not confine ourselves to that particular number. The upper roller of each pair is placed directly over the lower roller and, in a full-sized machine, the pairs of rollers are placed a foot, more or less, from each other, and are made of sufficient length to admit a sheet of iron endwise of any desired width.

A represents the lower rollers, and B the upper rollers. O is the frame in which the rollers operate, the journals of each pair of rollers being confined in boxes which are slipped in and out between the uprights D of the frame, and are held in position by setscrews E through the cap-pieces F, or in any other suitable manner. G Gr are rods, by which the upper part of the frame is preventcd from spreading. Ye do not claim anything new in the frame. The pairs of rollers are geared together, by means of wheels H I, at the ends, so that a sheet of iron will be drawn forward by each pair of rollers, when it is introduced between the first pair of rollers, or in the direction indicated by the arrow. The first pair of rollers makes a single corruga may revolve in unison with each other.

tion in the middle of the sheet. The next pair of rollers makes two corrugations, one on each side of the first corrugation; and the third pair of rollers makes two more corrugations, one on each side of those already made. The fourth pair of rollers is constructed and arranged to receive all the corrugations made by the three previous pairs, and they correct imperfections and straighten the sheet. The rollers of each pair are geared together at one end, as seen at I; and, at the other end, the pairs of rollers are geared together so as to give all the rollers the proper speed, that tlxiey Ve do not claim anyparticular mode of doing this. It may, perhaps, be done bya different arrangement of gear-wheels, or by means of belts or friction-wheels.

power is applied to the first pair of rollers.

The corrugating-rollers are constructed as seen in the drawing, and may be either made solid, with the corrugating grooves and beads turned thereon, or these parts may be made separate, and be slipped on and fastened to the rollers.

The main feature of our invention consists in our manner of forming the corrugations progressively in. the sheet, and has been already described.

Having thus described our invention, we claim as new and desire to secure by Letters Patent- 1. A machine for corrugating iron, consisting of a supporting-frame, C, or its equivalent, and four-more or less--pairs of corrugating rollers, constructed and arranged substantially as shown and described.

3. The gear-wheels H and I in combination with the corrugating-rollers A and B, substan tially as and for the purpose described.

3. A corrugatingma-chine with the rollers so formed and arranged that the sheet is corrugated progressively, and the corrugations increased in number from one pair of rollers to another, substantially as described.

- ABRAM REESE. JACOB REESE. Witnesses:

WILLIAM G. BARR, JOHN S. NORMINE.

We prefer thear- I rangement shown in the drawing, where the l 

